Lamp with sound control and infrared induction functions and control method thereof

Abstract

The invention relates to the technical field of lamp control, in particular to a lamp with sound control and infrared induction and a control method thereof, and the lamp comprises a plurality of lighting units, a sound control module, an infrared induction module and a brightness control module; the sound control module captures a sound signal in the environment, and when the sound signal exceeds a preset decibel threshold value, the lighting unit in the corresponding area is triggered to be turned on; after the infrared sensing module lighting unit is turned on, an infrared detector in a corresponding area is adopted to continuously monitor a heat radiation signal in a target area; and the brightness control module dynamically controls the on and off of the plurality of lighting units according to the duration of the heat radiation signal, so that the convenient triggering function of sound control and the continuous monitoring function of infrared rays are effectively integrated, the lamp can be quickly turned on after the sound signal is captured, the real-time judgment of human body activities is realized by utilizing infrared ray induction, and the intelligent control of the lamp is realized. Therefore, the lamp can be actively turned on before a user enters and can be automatically turned off according to delay setting after the user leaves.

Description

Technical Field

[0001] The present invention relates to the technical field of lamp control, and particularly to a lamp with voice control and infrared sensing and its control method. Background Art

[0002] In the existing market, technical solutions usually adopt two independent modes of voice control or infrared sensing to achieve the automatic control of lamps. Among them, voice-activated lamps mainly rely on sound sensors to detect the ambient noise intensity, and once the sound signal exceeds the preset threshold, the lamps will be triggered to turn on. However, the voice control mode has a significant defect: if the user needs to maintain lighting for a long time but cannot continuously make sounds, the lamp will automatically turn off after the timing ends, resulting in potential safety hazards and inconvenient operations due to insufficient light when the user walks in the corridor or works in the warehouse.

[0003] At the same time, infrared sensing lamps have gradually become popular in recent years, but most of the products on the market are mainly single infrared sensing or single voice control technology, and there is no integrated product that combines the advantages of both. The infrared sensing mode uses pyroelectric sensors to capture human activity signals. Although it can achieve the operation of "lighting when someone is present and turning off when no one is present", if the user enters the environment for the first time and is not detected by the infrared, the lamp cannot be turned on in time. Such limitations in use are likely to cause local areas to not receive lighting protection in time in scenarios such as indoor lighting and outdoor walking passages. In addition, since infrared detection cannot distinguish between day and night, it may lead to ineffective switching. Summary of the Invention

[0004] The purpose of the present invention is to provide a lamp with voice control and infrared sensing and its control method, aiming to effectively integrate the convenient triggering of voice control and the continuous monitoring function of infrared, be able to quickly light up the lamp after capturing the sound signal, and use infrared sensing to achieve real-time judgment of human activities. In this way, it can not only ensure that the lamp is actively turned on before the user enters, but also automatically turn off the light according to the delay setting after the user leaves.

[0005] To achieve the above object, in the first aspect, the present invention provides a lamp with voice control and infrared sensing and its control method, including a plurality of lighting units, a voice control module, an infrared sensing module, and a brightness control module;

[0006] The voice control module is used to capture the sound signal in the environment, and when the sound signal exceeds the preset decibel threshold, it triggers the lighting unit in the corresponding area to turn on;

[0007] The infrared sensing module is used to continuously monitor the thermal radiation signal in the target area by using the infrared detector in the corresponding area after the lighting unit is turned on;

[0008] The brightness control module is used to dynamically control the turning on and off of multiple lighting units according to the duration of the thermal radiation signal.

[0009] Among them, the sound control module includes a sound signal acquisition unit, a sound signal processing unit, a startup unit, and a protection unit;

[0010] The sound signal acquisition unit is used to acquire sound data in the warehouse environment;

[0011] The sound signal processing unit is used to filter the signal received by the microphone;

[0012] The startup unit is used to trigger the turning on of the lighting unit in the corresponding area if the filtered sound data exceeds the preset decibel threshold;

[0013] The protection unit is used to enter the anti-misoperation mode when the startup unit continuously triggers more than N times.

[0014] Among them, the infrared induction module includes a first scanning unit, a second scanning unit, and a standby unit;

[0015] The first scanning unit is used to obtain the human body thermal radiation signal with the infrared detector at the first scanning frequency;

[0016] The second scanning unit is used to obtain the human body thermal radiation signal at the second scanning frequency and correct the thermal radiation signal when a moving heat source is detected, and the second scanning frequency is higher than the first scanning frequency;

[0017] The standby unit is used to return to the standby state after a delay of 30 - 120 seconds when there is no heat source signal.

[0018] Among them, the second scanning unit includes a detection frequency control unit, a sunlight correction subunit, and a temperature correction subunit;

[0019] The detection frequency control unit is used to convert the operating frequency of the infrared detector from the first scanning frequency to the second scanning frequency;

[0020] The sunlight correction subunit is used to suppress false triggering during the day by combining the data of the light sensor;

[0021] The temperature correction subunit is used to monitor the ambient temperature in real time and correct the sensitivity threshold of the infrared detector.

[0022] Among them, the brightness control module includes a heat source duration model generation unit, a control duration setting unit, a lamp startup control unit, and a lamp shutdown control unit;

[0023] The heat source duration model generation unit is used to establish a heat source duration model of the human body movement trajectory based on the human body thermal radiation signal;

[0024] The control duration setting unit is configured to dynamically adjust a first preset duration and a second preset duration based on the light sensor data and the workload.

[0025] The lamp starting control unit is configured to maintain the lamp in the on state according to the turning-on strategy when the heat source signal is continuously detected for more than the first preset duration.

[0026] The lamp turning-off control unit is configured to turn off the lamp when the interval of the heat source signal exceeds the second preset duration.

[0027] Wherein, the turning-on strategy includes turning on full-brightness lighting when a core area of human activity is detected; and turning on lighting with a brightness of 50%-70% when activity in the surrounding area is detected.

[0028] Wherein, the brightness control module further includes a pre-lighting unit configured to pre-light the lamps on the corresponding path according to the moving data of the heat source signal.

[0029] In a second aspect, the present invention further provides a control method for a lamp with voice control and infrared sensing, including: capturing a sound signal in the environment, and triggering the lighting unit in the corresponding area to turn on when the sound signal exceeds a preset decibel threshold;

[0030] After the lighting unit is turned on, an infrared pyroelectric sensor in the corresponding area is used to continuously monitor the thermal radiation signal in the target area;

[0031] Dynamically controlling the turning on and off of multiple lighting units according to the duration of the thermal radiation signal.

[0032] A lighting fixture with voice control and infrared sensing and its control method according to the present invention. The voice control module captures sound signals in the surrounding environment through a built-in high-sensitivity microphone. When the detected sound intensity exceeds the decibel threshold preset by the user, the lighting unit in the corresponding area will be triggered to turn on. The infrared sensing module is triggered to turn on the lighting unit by the voice control module. Each lighting unit is equipped with a corresponding infrared sensor, and these sensors can continuously monitor the change of thermal radiation in the target area. This means that if there is a moving heat-emitting object such as a human body in the area, the infrared sensing module can accurately identify it. The brightness control module dynamically adjusts the working state of multiple lighting units according to the duration of the thermal radiation signal provided by the infrared sensing module. After the person leaves, if no thermal radiation change is detected for a period of time, the lighting will be automatically turned off to save energy; on the contrary, if signs of activity are continuously detected, the lighting unit will remain in the working state. In addition, this module can also fine-tune the lighting brightness according to the requirements of specific application scenarios, such as achieving the effects of gradual brightening and gradual dimming, which not only protects the visual health of users, but also effectively integrates the convenient triggering of voice control and the continuous monitoring function of infrared rays, and can quickly light up the lighting fixture after capturing the sound signal, and use infrared sensing to realize real-time judgment of human activities. In this way, it can not only ensure that the lighting fixture is actively turned on before the user enters, but also automatically turn off the light according to the delay setting after the user leaves, taking into account both the convenience of use and the control of energy consumption. Therefore, the present invention specifically solves the new problems that traditional voice-activated lights need to repeat the sound to maintain lighting and infrared lighting fixtures cannot be sensed in the initial stage, and greatly improves the user experience and energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 It is a structural diagram of a lighting fixture with voice control and infrared sensing according to the present invention.

[0035] Figure 2 It is a structural diagram of the voice control module of the present invention.

[0036] Figure 3 It is a structural diagram of the infrared sensing module of the present invention.

[0037] Figure 4 It is a structural diagram of the second scanning unit of the present invention.

[0038] Figure 5 It is a structural diagram of the brightness control module of the present invention.

[0039] Figure 6 It is a flowchart of a control method for a lamp with voice control and infrared sensing according to the present invention.

[0040] Lighting unit 101, voice control module 102, infrared sensing module 103, brightness control module 104, voice signal acquisition unit 105, voice signal processing unit 106, start unit 119, protection unit 107, first scanning unit 108, second scanning unit 109, standby unit 110, detection frequency control unit 111, sunlight correction sub-unit 112, temperature correction sub-unit 113, heat source persistence model generation unit 114, control duration setting unit 115, lamp start control unit 116, lamp off control unit 117, pre-lighting unit 118. Detailed implementation manners

[0041] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0042] First embodiment

[0043] Please refer to Figures 1 to 5 , the present invention provides a lamp with voice control and infrared sensing, including a plurality of lighting units 101, a voice control module 102, an infrared sensing module 103, and a brightness control module 104; the voice control module 102 is used to capture sound signals in the environment and trigger the lighting units 101 in the corresponding area to turn on when the sound signals exceed a preset decibel threshold; the infrared sensing module 103 is used to continuously monitor the thermal radiation signals in the target area by using an infrared detector in the corresponding area after the lighting units 101 are turned on; the brightness control module 104 is used to dynamically control the turning on and off of the plurality of lighting units 101 according to the duration of the thermal radiation signals.

[0044] In this embodiment, the lighting unit 101 is responsible for providing the basic light source output, supporting the lighting needs in various scenarios such as corridors, warehouses, or home environments. Bulbs, fluorescent tubes, or LED lamp beads can be flexibly selected as the light-emitting devices according to different usage scenarios, and the specific type can be matched in combination with the ambient brightness requirements and installation conditions. The sound control module 102 accurately captures the sound signals in the surrounding environment, and when the detected sound intensity exceeds the decibel threshold preset by the user, it will automatically activate the lighting unit 101 in the corresponding area, achieving instant response and providing the required light for the user. The infrared induction module 103 starts to function after the lighting unit 101 is activated. It uses the infrared sensors installed in each area to continuously monitor the thermal radiation signals in the target area to determine whether there are people in the area. This detection method based on human body heat is very accurate and can effectively avoid misjudgment. The brightness control module 104 dynamically adjusts the working state of the lighting unit 101 according to the information obtained from the infrared induction module 103. If the thermal radiation signal in a certain area indicates that there is no human activity in the area for a long time, the brightness control module 104 will gradually dim and then turn off the lighting unit 101 to achieve the purpose of energy saving; on the contrary, if it is detected that someone enters, the light intensity in this area will be increased accordingly. Thus, the intelligent control of the lamps is realized, and the energy utilization efficiency is greatly improved, with broad application prospects. Whether it is a family residence, an office place or a public facility, this kind of intelligent lamp can be adopted to enhance the functionality and comfort of the space, while reducing unnecessary power consumption.

[0045] The sound control module 102 includes a sound signal acquisition unit 105, a sound signal processing unit 106, a start unit 119, and a protection unit 107; the sound signal acquisition unit 105 is used to acquire the sound data in the warehouse environment; the sound signal processing unit 106 is used to filter the signal received by the microphone; the start unit 119 is used to trigger the lighting unit 101 in the corresponding area to turn on if the filtered sound data exceeds the preset decibel threshold; the protection unit 107 is used to enter the anti-misoperation mode when the start unit 119 triggers continuously more than N times.

[0046] The sound signal acquisition unit 105 captures the sound data in the warehouse environment. This unit is usually composed of highly sensitive microphones and can effectively sense the sound changes in the surrounding environment, whether these sounds are from people walking, item moving, or other noise sources.

[0047] The acoustic signal processing unit 106 performs preliminary processing on the sound signals received from the microphone, especially by filtering techniques to remove unnecessary background noise. The activation unit 119 decides whether to turn on the lighting unit 101 based on the filtered sound data provided by the acoustic signal processing unit 106. Specifically, if the detected sound intensity exceeds a pre-set decibel threshold, the activation unit 119 will activate the lighting unit 101 in the corresponding area to provide necessary illumination. This sound-triggered mechanism is particularly applicable to large storage spaces or other places where it is difficult to manually control lighting facilities.

[0048] To further enhance the reliability of the system and the user experience, a protection unit 107 is introduced to prevent false triggering. When the activation unit 119 is continuously triggered more than N times due to external interference (such as continuous high-decibel noise), the protection unit 107 will automatically enter the anti-false-trigger mode. In this mode, the system temporarily reduces the sensitivity to sound triggering or extends the time interval for the next trigger to avoid unnecessary lighting on and off, thereby saving energy and reducing lamp wear.

[0049] The infrared sensing module 103 includes a first scanning unit 108, a second scanning unit 109, and a standby unit 110; the first scanning unit 108 is used to obtain the human body heat radiation signal with the infrared detector at a first scanning frequency; the second scanning unit 109 is used to obtain the human body heat radiation signal at a second scanning frequency and correct the heat radiation signal when a moving heat source is detected, and the second scanning frequency is higher than the first scanning frequency; the standby unit 110 is used to delay for 30 - 120 seconds and return to the standby state when there is no heat source signal.

[0050] The first scanning unit 108, as a basic heat source detector, uses a set first scanning frequency to continuously monitor the heat radiation signals in the environment. This scanning frequency is relatively low and is mainly used to maintain basic monitoring of the environment when there is no obvious moving heat source. In this way, the system can operate in a low-power state while ensuring that no signs of human activity are missed. The infrared detector used by the first scanning unit 108 can sensitively capture the tiny temperature changes in the surrounding space, providing reliable data support for subsequent actions. When the first scanning unit 108 detects a potential moving heat source, the second scanning unit 109 comes into play. The second scanning unit 109 will immediately switch to a higher second scanning frequency to obtain more detailed heat radiation signals and precisely correct these signals. Compared with the first scanning frequency, the second scanning frequency is higher, which means it can track the moving human body more quickly and accurately, improving the detection accuracy and response speed. This dual-band scanning mechanism not only ensures the efficiency of the system but also enhances the user experience, ensuring that the lights can be quickly turned on when the user needs them.

[0051] To further optimize energy usage efficiency and extend the device lifespan, the design of the standby unit 110 is particularly important. When no heat source signal is detected in the environment, the standby unit 110 will return the system to the standby state after a delay of 30 to 120 seconds. This time period can be adjusted according to the requirements of specific application scenarios, which not only avoids the problem of frequent lamp switching due to short absences but also automatically turns off the lighting when there is no one for a long time, achieving energy-saving effects. In addition, in the standby mode, the system power consumption is reduced to the lowest level, helping to reduce the overall power consumption.

[0052] The second scanning unit 109 includes a detection frequency control unit 111, a sunlight correction sub-unit 112, and a temperature correction sub-unit 113; the detection frequency control unit 111 is used to convert the operating frequency of the infrared detector from the first scanning frequency to the second scanning frequency; the sunlight correction sub-unit 112 is used to suppress false triggers during the day by combining the data of the light sensor; the temperature correction sub-unit 113 is used to monitor the ambient temperature in real time and correct the sensitivity threshold of the infrared detector.

[0053] The heat source persistence model generation unit 114 establishes a detailed heat source persistence model of the human movement trajectory based on the human body heat radiation signal. This model can not only track the real-time position of the person but also predict their future movement path, thus providing a basis for the dynamic adjustment of the lamps. By analyzing and processing the heat radiation data collected at different time points, this unit can accurately depict the activities of people in the environment, ensuring that the adjustment of the lighting is more in line with the actual needs.

[0054] The control duration setting unit 115 is responsible for dynamically adjusting two important preset parameters, namely the first preset duration and the second preset duration, according to the ambient light intensity (data obtained through the light sensor) and the current workload of the system. The first preset duration refers to the length of time the lamp needs to remain on, while the second preset duration refers to the length of time the lamp will wait before automatically turning off if no heat source signal is detected. This flexible adjustment mechanism enables the system to optimize the lighting strategy according to specific environmental conditions and usage requirements. For example, in the daytime when the light is sufficient, the lamp-on time can be shortened, while at night or in low-light environments, the working time of the lamp can be extended to ensure sufficient lighting.

[0055] The task of the lamp startup control unit 116 is to maintain the lamp to continue working according to the set startup strategy when the heat source signal is continuously detected for more than the first preset duration. This means that once the system confirms that there is human activity in the area and this activity lasts for a certain period of time (i.e., more than the first preset duration), the lamp will be activated and remain on until specific shutdown conditions are met. Such a design can avoid the problem of frequent switching of the lamp caused by short-term interference or passing by, improving the convenience and comfort of use.

[0056] The lamp shutdown control unit 117 will automatically turn off the lamp when the interval of the heat source signal exceeds the second preset duration. This function helps to save energy because when the system detects no sign of human activity for a period of time, it will consider that the area is temporarily unoccupied, so it chooses to turn off the lamp to save power. At the same time, by reasonably setting the second preset duration, it is also possible to avoid unnecessary lamp shutdown caused by the temporary departure of personnel, ensuring that there is still sufficient lighting when the user returns.

[0057] The brightness control module 104 includes a heat source duration model generation unit 114, a control duration setting unit 115, a lamp startup control unit 116, and a lamp shutdown control unit 117; the heat source duration model generation unit 114 is used to establish a heat source duration model of the human movement trajectory based on the human body heat radiation signal; the control duration setting unit 115 is used to dynamically adjust the first preset duration and the second preset duration based on the light sensor data and the workload; the lamp startup control unit 116 is used to maintain the lamp to be turned on according to the startup strategy when the heat source signal is continuously detected for more than the first preset duration; the lamp shutdown control unit 117 is used to turn off the lamp when the interval of the heat source signal exceeds the second preset duration.

[0058] The startup strategy includes turning on full brightness lighting when the core area of human activity is detected; turning on 50%-70% brightness when activity in the surrounding area is detected.

[0059] The heat source duration model generation unit 114 uses the heat radiation signal emitted by the human body to establish a dynamic human movement trajectory model. This model can track the movement path of people in the environment in real time, providing basic data for the intelligent control of the lamp. By analyzing the heat radiation signals at different positions, this unit can identify the core activity area of people and the secondary activity areas around it, ensuring that the lighting adjustment is more in line with the actual needs.

[0060] The control duration setting unit 115 flexibly adjusts two preset durations: the first preset duration and the second preset duration, based on the data from the light sensor and the current workload of the system. The first preset duration refers to the length of time that the lamp remains on at least when human activity is detected; while the second preset duration refers to the time waited before the lamp automatically turns off if no heat source signal is detected for a period of time. This adaptive mechanism enables the system to intelligently adjust according to external light conditions and usage, ensuring both necessary lighting and effective utilization of energy.

[0061] The function of the lamp startup control unit 116 is to maintain the lamp in the on state according to a specific startup strategy when the heat source signal is continuously detected for more than the first preset duration. The startup strategy here is customized according to the location of the person:

[0062] When it is detected that the person is in the core activity area (such as around the desk or in the center of the meeting room), the lamp will be adjusted to full brightness lighting to ensure the best working or meeting environment.

[0063] If the activity is detected in the peripheral area (such as the edge of the corridor or the corner of the room), the lamp will be turned on at 50%-70% brightness, providing sufficient lighting while avoiding unnecessary power consumption.

[0064] The lamp shutdown control unit 117 will automatically turn off the lamp when the heat source signal interval exceeds the second preset duration. This function is crucial for energy conservation as it ensures that the lamp will not be needlessly on when the area is unoccupied for a long time. At the same time, by reasonably setting the second preset duration, it can also prevent the lamp from being frequently turned on and off due to a short absence, thus improving the user's comfort.

[0065] The specific steps for the control duration setting unit 115 to dynamically adjust the preset durations, namely the first preset duration and the second preset duration, based on the light sensor data and the workload, include: real-time collection of the ambient light intensity E (unit: lux) through the distributed light sensor array

[0066] Calculating the light compensation coefficient α = 1 + β(E_0 - E) / E_0, where: E_0 is the reference light threshold (100 - 150 lux); β is the adjustment sensitivity coefficient (0.2 - 0.5).

[0067] Then dynamically correcting the first preset duration T1' = α×T1 and the second preset duration T2' = α×T2; calculating the number of person activities N per unit time through the infrared heat source movement frequency; counting the lamp trigger times M and the average lighting duration T_avg; establishing the workload index W = k1N + k2M + k3T_avg (k1, k2, k3 are weight coefficients); when W exceeds the first threshold W_1, start the busy mode.

[0068] Based on the typical data values obtained from the historical database, pre-store the typical work calendar and divide the time period types:

[0069]

[0070] Final duration calculation formula:

[0071] T1” = α × γ × T1_base

[0072] T2” = α × γ × T2_base.

[0073] The control duration setting unit 115 first collects the ambient light intensity EE (unit: lux) in real time through a distributed light sensor array. These sensors are distributed at multiple key positions in the target area to ensure that the collected data can comprehensively reflect the current ambient light distribution. For example, in an environment with sufficient natural light during the day, the light intensity is relatively high; while at night or in a weak light situation, the light intensity will decrease significantly.

[0074] When the ambient light intensity E is higher than the reference value E0, the light compensation coefficient α is less than 1, indicating that the natural light is stronger at this time, and the system can appropriately shorten the working time of the lamp; conversely, when E is lower than E0, α is greater than 1, indicating that the working time of the lamp needs to be extended to supplement the insufficient light.

[0075] According to the light compensation coefficient α, the system dynamically corrects the first preset duration T1 and the second preset duration T2. This dynamic adjustment mechanism enables the working duration of the lamp to vary flexibly according to the actual light conditions, thereby maximizing energy conservation while ensuring lighting requirements.

[0076] To further optimize the control strategy of the lamp, the system monitors the movement trajectory of personnel through an infrared heat source detector and counts the number of personnel activities N per unit time. This step can not only reflect the activity level of personnel in the area but also provide an important basis for the subsequent calculation of the workload index. The system also records the trigger times M of the lamp and the average lighting duration Tavg. These data reflect the actual usage of the lamp and help determine whether the lighting demand in the current area is in a high-load state. For example, if the lamp is frequently triggered and the lighting time is long, it indicates that there is a high personnel flow or long-term activities in this area.

[0077] Based on the above statistical data, the system establishes a comprehensive workload index W to evaluate the lighting demand intensity in the current area. By reasonably setting the weight coefficients, the importance of certain factors can be highlighted. For example, in a busy area, the value of k_1k1 can be increased to pay more attention to the personnel activity frequency.

[0078] When the workload index W exceeds a preset first threshold W1, the system will automatically enter the "busy mode". In this mode, the preset duration of the lamps will be readjusted to adapt to higher lighting requirements. For example, the first preset duration T1 will be further extended, while the second preset duration T2 will be shortened to reduce the situation where the lights are turned off due to the temporary departure of personnel. In addition, the system also adjusts the brightness strategy of the lamps to preferentially provide full-brightness lighting to meet the needs of high-frequency activities.

[0079] The brightness control module 104 further includes a pre-illumination unit 118, which is used to pre-illuminate the lamps on the corresponding path according to the movement data of the heat source signal. The specific steps include establishing a three-dimensional coordinate model of the warehouse, dividing the lamps into N controllable lighting areas, and real-time tracking the coordinates and movement vectors of the moving heat source; calculating the lead D = kvT (where k = 1.2 - 1.5 is a safety factor, T is the system response time), and v is the moving speed of the moving heat source; activating a circular lighting area with the target point (x + Dcosθ, y + Dsinθ) as the center and a radius R = 2 - 3m.

[0080] The system needs to establish an accurate three-dimensional coordinate model for the entire warehouse. This step involves dividing the space in the warehouse into N controllable lighting areas, each area being equipped with corresponding lamps to facilitate refined lighting control. Using the data provided by the infrared sensing module 103, the system can real-time track the specific coordinates and movement vectors of the moving heat source (including the speed v and direction θ). This enables the system to accurately predict the future position of the heat source and respond accordingly in advance. According to the current speed v and movement direction θ of the heat source, the system will calculate a lead D to determine when and where the lamps should be activated. The formula is D = kvT, where k is a safety factor (ranging from 1.2 to 1.5) used to consider the system response time and a certain buffer; T represents the response time required for the system to actually light up the lamps after receiving the signal.

[0081] After determining the lead D, the system will activate a circular lighting area with the predicted target point (x + D\cosθ, y + D\sin

[0082] θ)(x + Dcosθ, y + Dsinθ) as the center and a radius R of 2 to 3 meters. This strategy ensures that when a person approaches a certain area, the area is already in good lighting condition, improving safety and comfort. To ensure the stability and accuracy of the system, when any of the following situations is detected, the pre-illumination unit 118 will abort the predictive lighting and take corresponding measures:

[0083] If it is detected that the rate of change of the heat source speed (Δv / Δt) is greater than or equal to 3m / s 2, indicating that there is an emergency or sensor misreading. At this time, the system will immediately stop predictive lighting and maintain the current lighting state for observation.

[0084] When the deviation of the moving direction of the heat source from the axial direction of the shelf aisle exceeds 45°, it indicates that the heat source is not moving along the normal walking path, which is a misjudgment or other special situation. The system will pause predictive lighting and re-evaluate the behavior pattern of the heat source.

[0085] When the same heat source appears in non-continuous areas simultaneously, it means there is an identification error or multiple similar heat sources are mistaken for one. In case of such problems, the system will stop all related predictive operations and send an abnormal alarm signal to the administrator for inspection.

[0086] If the system detects any of the above abnormal situations and determines it as an emergency, it will automatically switch to the emergency lighting mode and keep it on until it is confirmed that the environment has returned to normal. At the same time, the system will also send an abnormal alarm signal to notify relevant personnel to handle potential problems in a timely manner.

[0087] Second Embodiment

[0088] Please refer to Figure 6 , the present invention also provides a control method for a lamp with voice control and infrared induction, including:

[0089] S201 Capture the sound signal in the environment, and trigger the lighting unit 101 in the corresponding area to turn on when the sound signal exceeds the preset decibel threshold;

[0090] In the environmental monitoring stage, the system will capture the surrounding sound signals through a built-in high-sensitivity microphone. The key to this step is to accurately identify which sounds are generated by user activities and whether these sounds reach the standard for triggering the lighting unit 101 to turn on. When the detected sound intensity exceeds the pre-set decibel threshold (this threshold can be adjusted according to the specific application scenario, for example, setting a lower threshold in a quiet library environment and a higher threshold in a noisy factory), the system will automatically trigger the lighting unit 101 in the corresponding area to turn on. Such a design not only improves the convenience of use and reduces the need for manual operation, but also ensures that the lights are only turned on when truly needed, which helps to save energy.

[0091] S202 After the lighting unit 101 is turned on, use the pyroelectric infrared sensor in the corresponding area to continuously monitor the thermal radiation signal in the target area;

[0092] Use an infrared pyroelectric sensor to continuously monitor the thermal radiation signal in the target area. The infrared pyroelectric sensor can sense the heat emitted by the human body, thereby judging whether there are people in the area and their activities. This detection method based on human body heat is very accurate and can effectively avoid misjudgment caused by other non-human factors. In addition, by continuously monitoring the thermal radiation signal, the system can also track the movement path of people in the room, providing a basis for subsequent dynamic control.

[0093] S203 dynamically controls the turning on and off of multiple lighting units 101 according to the duration of the thermal radiation signal.

[0094] Dynamically adjust the state of the lighting unit 101 according to the data collected in the previous two steps. Specifically, the system will analyze the duration and change trend of the thermal radiation signal to determine how to best control the turning on and off of multiple lighting units 101. If the thermal radiation signal in a certain area indicates that there has been no human activity in that area for a long time, the system will gradually dim and then turn off the lighting unit 101 in that area to achieve the purpose of energy saving; on the contrary, if it is detected that new people enter or existing people start to move to another area, the light intensity in that area will be increased accordingly or the lamps in the next area to be reached will be lit in advance. In addition, to further improve the user experience, the system can also set different brightness adjustment strategies according to different time periods of the day and personal preferences, such as reducing the overall brightness at night to create a warm atmosphere, and maintaining sufficient light intensity during working hours.

[0095] The above disclosure is only a preferred embodiment of the present invention. Of course, it cannot be used to limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the invention.

Claims

1. A lamp with voice control and infrared sensing, comprising a plurality of lighting units, characterized in that: It also includes a voice control module, an infrared sensor module and a brightness control module; The sound control module is used to capture sound signals in the environment and trigger the lighting units in the corresponding area to turn on when the sound signals exceed a preset decibel threshold; The infrared sensing module is used to continuously monitor the thermal radiation signal in the target area using the infrared detector in the corresponding area after the lighting unit is turned on; The brightness control module is used to dynamically control the turning on and off of multiple lighting units according to the duration of the thermal radiation signal.

2. A lamp with voice control and infrared sensing as claimed in claim 1, characterized in that: The sound control module includes a sound signal acquisition unit, a sound signal processing unit, a start unit and a protection unit; The sound signal acquisition unit is used to acquire sound data in the warehouse environment; The acoustic signal processing unit is used to filter the signal received by the microphone; The activation unit is used to trigger the lighting unit in the corresponding area to turn on if the filtered sound data exceeds a preset decibel threshold; The protection unit is used to enter the false touch prevention mode when the start unit is triggered continuously for more than N times.

3. A lamp with voice control and infrared sensing as claimed in claim 2, characterized in that: The infrared sensing module includes a first scanning unit, a second scanning unit and a standby unit; The first scanning unit is used to use the infrared detector to acquire a human body thermal radiation signal at a first scanning frequency; The second scanning unit is used to acquire a human body thermal radiation signal at a second scanning frequency and correct the thermal radiation signal when a moving heat source is detected, and the second scanning frequency is higher than the first scanning frequency; The standby unit is used to return to the standby state after a delay of 30-120 seconds when there is no heat source signal.

4. A lamp with voice control and infrared sensing as claimed in claim 3, characterized in that: The second scanning unit includes a detection frequency control unit, a sunlight correction subunit and a temperature correction subunit; The detection frequency control unit is used to convert the operating frequency of the infrared detector from the first scanning frequency to the second scanning frequency; The sunlight correction subunit is used to suppress false triggering during the day in combination with the light sensor data; The temperature correction subunit is used to monitor the ambient temperature in real time and correct the sensitivity threshold of the infrared detector.

5. A lamp with voice control and infrared sensing as claimed in claim 4, characterized in that: The brightness control module includes a heat source duration model generation unit, a control duration setting unit, a lamp start control unit and a lamp shut down control unit; The heat source persistence model generating unit is used to establish a heat source persistence model of a human body movement trajectory based on a human body thermal radiation signal; The control duration setting unit is used to dynamically adjust the preset durations, the first preset duration and the second preset duration based on the light sensor data and the workload; The lamp start control unit is used to maintain the lamp turned on according to the start strategy when the heat source signal is continuously detected for more than a first preset time; The lamp shutoff control unit is used to shut off the lamp when the heat source signal interval exceeds a second preset time length.

6. A lamp with voice control and infrared sensing as claimed in claim 5, characterized in that: The activation strategy includes activating the lighting at full brightness when detecting the core area of ​​human activity; and activating the lighting at 50%-70% brightness when detecting the activities in the peripheral area.

7. A lamp with voice control and infrared sensing as claimed in claim 6, characterized in that: The brightness control module further includes a pre-lighting unit, which is used to light up the lamps on the corresponding path in advance according to the movement data of the heat source signal.

8. A control method for a lamp with voice control and infrared sensing, using the lamp with voice control and infrared sensing as claimed in any one of claims 1 to 7, It is characterized in that It includes: capturing sound signals in the environment, and triggering lighting units in the corresponding area to turn on when the sound signals exceed a preset decibel threshold; After the lighting unit is turned on, the infrared pyroelectric sensor in the corresponding area is used to continuously monitor the thermal radiation signal in the target area; The turning on and off of multiple lighting units is dynamically controlled according to the duration of the heat radiation signal.

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